https://www.fishersci.com/pH_Buffers/FisherChemical
赞助Certified Color-Coded Buffer Solutions and Salts for Calibration Procedures. Get Quality Measurements with pH 2, 4, 6, 7, 10, 11, Red, Yellow, Blue and More Buffers
Fisher Chemical · Laboratory Chemicals · Lab Analytical Reagents · Manufacturer & Supplier
Brands: Fishersci, Fisher Chemical, Fisher Bioreagents